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Image editing tutorial - Composite images

Step 3 – Match it up
Using the Opacity control in the layer palette, set the opacity of the new layer to around 50 percent. The exact figure doesn’t matter, just as long as you can see the background through the layer.



Select the Move tool from the tool palette. Zoom in on the area of the image containing your new layer, and use the Move tool to slide it into position so that the background details match up. While you have the Move tool selected you can use the keyboard arrow keys to make precise adjustments. You may find that turning the layer visibility on and off helps you to line it up accurately. Click the Eye button in the layer palette to do this.




Step 4 – Trim off the surplus
Now we need to lose the bits of the new layer that are overlapping details on the background layer, specifically the bit of sky around the kite. Fortunately the sky is a fairly uniform colour, so we can use the Magic Wand tool. Pick this tool from the tool palette, set the tolerance to about 20 and make sure the Contiguous box is checked.



Click anywhere on the area of sky near the kite, and the tool will select all the areas of blue sky that are within a certain colour value of the point where you clicked.



Either use Cut from the Edit menu or the keyboard shortcut Ctrl-X to cut off the area you’ve selected.




Step 5 – Rinse and repeat
Set the Opacity of your layer back to 100 percent to see the finished effect. You’ve now completed the first layer.



Simply repeat the process for the next 14 layers and you’ll have an image that looks like this. I said you’d need a bit of patience…




Step – Flatten, crop and save
When you’re happy with the result of your efforts, use Flatten Image from the Layers menu to merge the image down to a single background layer, and then use the crop tool to tidy up the composition. Save the result as a TIFF file, and you're done.


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